(verb) -- to completely fark up something that has already been fixed once. After Stein Bagger, former CEO of IT Factory, a Danish software company that collapsed on December 1, 2008 after Bagger vanished on a vacation to Dubai, having apparently embezzled more than $85 million from the company which had risen from the ashes after its first collapse during the dot-com crash of 2001-2002.

"Man, I just rebuilt that truck motor, and the way you're revving it, you're gonna steinbag that thing in minute."